WO2024007828A1 - Test apparatus for testing refrigerator - Google Patents

Abstract

A test apparatus (100) for testing a refrigerator, comprising a main control board connector (110), an input apparatus, and an element simulator. The main control board connector (110) is used for connecting to a main control board (200) of a refrigerator under test. The input apparatus is used for transmitting an instruction signal to the main control board (200), so that the main control board (200) generates a corresponding control signal according to the instruction signal. The element simulator is connected to the main control board connector (110), and is configured to acquire a control signal of the main control board (200) and output a response signal corresponding to the control signal, so as to verify the function of the main control board (200) by means of the response signal. The main control board (200) is tested by means of the single test apparatus (100), thereby improving the test efficiency of a fault of a refrigerator.

Description

A detection device for detecting refrigerators

This application claims the priority of the Chinese patent application with the filing date of July 7, 2022, the application number is 202210803308.4, and the invention name is "A detection device for detecting refrigerators", the entire content of which is incorporated into this application by reference. middle.

Technical field

The present invention relates to the field of home appliances, and in particular, to a detection device for detecting a refrigerator.

Background technique

Nowadays, electronic products can be found everywhere in people's life and work, and their types and functions are becoming more and more numerous, and their loads are correspondingly increasing. Hardware circuit boards of electronic products have been developing towards high integration and are getting smaller and smaller, which increases the probability of errors in components and connections between components, causing a lot of trouble for users.

Take the refrigerator in electrical equipment as an example. It has developed from a traditional two-door refrigerator to a three-door refrigerator. With the continuous improvement of the structure of the refrigerator, the functions of the refrigerator have also developed, resulting in the complexity of the design of the controller that controls each load of the refrigerator. It is getting higher and higher. In order to increase the storage capacity of the refrigerator, the controller of the refrigerator is getting smaller and smaller in design, which leads to an increase in the connection error rate of the controller.

At present, there is a problem with the electrical system of the refrigerator. There is no quick way to determine whether the main control board of the refrigerator is damaged or the corresponding electrical components are faulty. Basically, it depends on the experience of the repairman, or all the electrical components must be replaced. Such a judgment method can easily ignore the inherent problems of components, thus affecting subsequent production. In addition, since each manufacturer of refrigerator electronic control modules is different, the material status detection of electrical controls requires separate detection tooling provided by the manufacturer. As a result, different detection tooling needs to be designed for different electronic control modules, and the operation is too cumbersome.

Contents of the invention

An object of the present invention is to provide a detection device for detecting a refrigerator that can solve any of the above problems.

A further object of the present invention is to improve the detection efficiency of refrigerator faults.

In particular, the present invention provides a detection device for detecting a refrigerator. The detection device includes:

Main control board connector, used to connect the main control board of the refrigerator under test;

An input device is used to transmit command signals to the main control board, so that the main control board can generate corresponding control signals based on the command signals;

The component simulator is connected to the connector of the main control board and is configured to obtain the control signal of the main control board and output a response signal corresponding to the control signal, so as to use the response signal to verify the function of the main control board.

Further, input devices include:

Voice module, used to collect voice information;

The Wi-Fi module is used to upload voice information to the cloud for analysis, obtain the cloud analysis results, and obtain corresponding command signals based on the analysis results.

Further, the electrical component connector has one end connected to the electrical component and the other end connected to the main control board connector;

The electrical component is configured to obtain the control signal of the main control board and output a response signal corresponding to the control signal, so as to use the response signal to verify the function of the main control board.

Further, the control signal includes the control component simulator and the electrical components being turned on and run in sequence, and then turned off after running for a first preset time.

Further, the control signal also includes the control component simulator and the electrical components being turned on and run at the same time, and then turned off after running for a second preset time.

Further, the control signal also includes controlling any component simulator or electrical component to start running, and to run for a third preset time and then turn off.

Furthermore, the component simulator also includes:

Indicator, outputs an indication signal corresponding to the response signal.

Further, the detection device also includes:

box body;

The component simulator is placed on any side of the box.

Further, the box includes:

base plate;

Multiple side panels, removably connected to the base panel;

The top plate is provided correspondingly to the bottom plate and is detachably connected to one end of the plurality of side plates away from the bottom plate.

Further, the main control board connector is disposed on the top surface of the top panel.

The detection device for detecting a refrigerator of the present invention includes a main control board connector, an input device and a component simulator. The main control board connector is used to connect the main control board of the refrigerator under test. The input device is used to transmit command signals to the main control board, so that the main control board generates corresponding control signals according to the command signals. The component simulator is connected to the connector of the main control board and is configured to obtain the control signal of the main control board and output a response signal corresponding to the control signal to verify the function of the main control board using the response signal. In this embodiment, the detection device used to detect the refrigerator is integrated with a component simulator, and the main control board can be detected through a single detection device, which improves the detection efficiency of refrigerator faults.

From the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will further understand the above and other objects, advantages and features of the present invention.

Description of the drawings

Some specific embodiments of the invention will be described in detail below by way of illustration and not limitation with reference to the accompanying drawings. attached The same reference numbers in the figures identify the same or similar parts or portions. Those skilled in the art will appreciate that these drawings are not necessarily drawn to scale. In the attached picture:

Figure 1 is a schematic structural diagram of a detection device for detecting a refrigerator according to one embodiment of the present invention;

Figure 2 is a schematic structural diagram from another angle of a detection device for detecting a refrigerator according to an embodiment of the present invention;

Figure 3 is a schematic exploded view of a box body of a detection device for detecting a refrigerator according to one embodiment of the present invention.

Detailed ways

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", etc. indicate the orientation or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more than two, unless otherwise explicitly and specifically limited.

Figure 1 is a schematic structural diagram of a detection device for detecting a refrigerator according to an embodiment of the present invention. Figure 2 is a schematic structural diagram from another angle of a detection device for detecting a refrigerator according to an embodiment of the present invention. Figure 3 is a schematic exploded view of a box body of a detection device for detecting a refrigerator according to one embodiment of the present invention. As shown in FIGS. 1 to 3 , in this embodiment, the detection device 100 for detecting a refrigerator includes a main control board connector 110 , an input device, and a component simulator. The main control board connector 110 is used to connect the main control board 200 of the refrigerator under test. The input device is used to transmit command signals to the main control board 200, so that the main control board 200 generates corresponding control signals according to the command signals. The component simulator is connected to the main control board connector 110 and is configured to obtain the control signal of the main control board 200 and output a corresponding signal corresponding to the control signal to verify the function of the main control board 200 using the corresponding signal. In this embodiment, the detection device 100 for detecting the refrigerator is integrated with a component simulator, which can detect the main control board through a single detection device, thereby improving the detection efficiency of refrigerator faults.

In this embodiment, the detection device 100 for detecting a refrigerator also includes an electrical component connector, one end of which is connected to an electrical component. device component, and the other end is connected to the main control board connector 110. The electrical component is configured to obtain the control signal of the main control board 200 and output a response signal corresponding to the control signal, so as to use the response signal to verify the function of the main control board 200 .

The control signal includes: "The control element simulator and the electrical components are turned on and run in sequence, and turn off after running for the first preset time"; "The control component simulator and the electrical components are turned on and run simultaneously, and run for the second preset time. "Close and control any component simulator or electrical component to start running, and run for a third preset time and then close" control signal. The first preset time and the third preset time may be the same time.

The first preset time can be 2-5s. The second preset time may be longer than the first preset time and the second preset time. The first preset time, the second preset time and the third preset time can be determined according to actual conditions.

The electrical component connector can be a connection port for the electrical component. The electrical component connector may include a cooling fan connector 167, a variable temperature sensor connector 166, a variable temperature damper connector 165, a variable temperature heating wire connector, a freezing sensor connector 164, a freezing fan connector 163, a freezing and defrosting sensor connector, and a fan. Shield connector 161, damper heating wire connector 162, etc.

In this embodiment, the variable temperature heating wire connector and the variable temperature damper connector 165 can be integrated into the same port, and the freezing fan connector 163 and the freezing and defrosting sensor can be integrated into the same port. The electrical components may include cooling fan 203, variable temperature sensor, variable temperature damper 201, variable temperature heating wire, freezing sensor, freezing fan 400, freezing and defrosting sensor, fan shield 410, damper heating wire, etc.

In this embodiment, the input device of the detection device 100 for detecting a refrigerator includes a voice module 310 and a WiFi module 320. The voice module 310 is used to collect voice information. The WiFi module 320 is used to upload voice information to the cloud for analysis, obtain the cloud analysis results, and obtain corresponding command signals based on the analysis results.

The element simulator may include a compressor simulator, a first defrost heating wire simulator, a second defrost heating wire simulator, and a vertical beam simulator. The compressor simulator may include a resistor 124, which may be a 1 kΩ resistor, and a compressor indicator 124, which may be a light emitting diode. The first defrost heating wire simulator may include a resistor and a first defrost heating wire indicator 123, the resistor may be a 1kΩ resistor, and the first defrost heating wire indicator may be a light emitting diode. The second defrost heating wire simulator may include a resistor and a second defrost heating wire indicator 122. The second defrost heating wire may be a 1kΩ resistor, and the second defrost heating wire indicator may be a light emitting diode. The vertical beam simulator includes a resistance and a vertical beam indicator 121. The resistance can be a 500Ω resistor, and the vertical beam indicator can be a light emitting diode. The compressor indicator 124, the first defrost heating wire indicator 123, the second defrost heating wire indicator 122 and the vertical beam indicator 121 are all arranged on the top surface of the top plate 101 to facilitate observation by the operator.

In this embodiment, the component simulator also includes an indicator. The indicator is used to output an indication signal corresponding to the corresponding signal. The indicator may be an indicator light. The indication signal can be the color of the light, the duration of the light, etc.

In this embodiment, the indicators of the original simulator include the compressor indicator 124 and the first defrost heating wire indicator. 123. The second defrost heating wire indicator 122 and the vertical beam indicator 121.

The detection device for detecting a refrigerator in this embodiment also includes a box body. The component simulator is placed on any side of the box.

The box body may include a bottom panel 102, a plurality of side panels, and a top panel 101. A plurality of side panels are detachably connected to the bottom panel 102 . The top plate 101 is disposed corresponding to the bottom plate 102 and is detachably connected to the plurality of side plates at one end away from the bottom plate 102 . The plurality of side panels include a first side panel 103, a second side panel 104, a third side panel 105 and a fourth side panel 106.

The first side panel 103 is provided with a plurality of openings for arranging the cooling fan connector 167, the variable temperature sensor connector 166, the variable temperature damper connector 165, the variable temperature heating wire connector, the freezing sensor connector 164, the freezing fan connector 163, Freezer and defrost sensor connector, fan shield connector 161, damper heating wire connector 162, etc. The second side panel 104 is provided with a voice module 310, a Wi-Fi module 320 and a temperature and humidity sensor 330. The third side panel 105 is provided with a speaker 340, a freezing lamp 170, and a temperature changing lamp 180. The fourth side panel 106 is provided with a refrigeration lamp 140 and a microphone 130, and also has a wiring harness port 107.

The main control board connector 110 is disposed on the top surface of the top panel 101 . When connecting the main control board 200, the main control board 200 can be directly placed on the top surface for easy placement.

The input device may also include key switches. The key switches may include a first refrigeration light switch 311, a second refrigeration light switch 312, a variable temperature light switch 313 and a freezing light switch 314. The above key switches are arranged side by side on the top surface of the top plate 101 to facilitate operator use.

The detection device 100 also includes an indicator light corresponding to the above-mentioned switch. The refrigeration lamp 140 may include a first refrigeration lamp and a second refrigeration lamp. The first refrigeration light is set corresponding to the first refrigeration light switch, and the setting of the first refrigeration light can provide a more intuitive operating experience for the operator. The second refrigeration light is set corresponding to the second refrigeration light switch, and the setting of the second refrigeration light can provide a more intuitive operating experience for the operator. The variable temperature lamp 180 and the variable temperature lamp switch 313 are set correspondingly, which can provide the operator with a more intuitive operating experience. The freezing light 170 and the freezing light switch 314 are set correspondingly, which can provide the operator with a more intuitive operating experience. In this embodiment, the detection device 100 can provide a more complete interior scene of the refrigerator by setting various lights and light switches to facilitate detection of the main control board 200 .

In this embodiment, the detection device for detecting the refrigerator also includes a connection terminal 151 . The connection terminal 151 is used to connect to the external control board 150, and the other end is connected to the voice module 310. The control panel 150 is provided with a switch that controls the voice module 310 to be turned on or off.

A wire harness port 107 can be provided on the side panel, and the wire harness port 107 can be used for the equipment cables of other externally connected electronic devices to pass through, so that the external electronic device can be connected to the main control board connector 110 .

The voice module 310 is connected with a microphone 130 and a speaker 340 . The microphone 130 is used to capture the operator's voice information. The speaker 340 can output intelligent voice information to remind the operator that the control process has been started.

In some other embodiments, the main control board 200 under test can be replaced with a intact main control board used for testing. At this time, just The electrical components connected to the electrical component connection ends can be tested to determine whether the electrical components are damaged.

In this embodiment, the detection device 100 for detecting a refrigerator includes a main control board connector 110, an input device, and a component simulator. The main control board connector 110 is used to connect the main control board 200 of the refrigerator under test. The input device is used to transmit command signals to the main control board 200, so that the main control board 200 generates corresponding control signals according to the command signals. The component simulator is connected to the main control board connector 110 and is configured to obtain the control signal of the main control board 200 and output a response signal corresponding to the control signal, so as to use the response signal to verify the function of the main control board 200 . In this embodiment, the detection device used to detect the refrigerator is integrated with a component simulator, and the main control board 200 can be detected through a single detection device, which improves the detection efficiency of refrigerator faults.

In the early development stage of the refrigerator, program testing and detection do not require specific box testing, and only part of the program needs to be verified on the detection device 100. In the actual production process of the refrigerator, component failure such as damage to the main control board, which makes it impossible to locate the fault point and therefore cannot focus on the cause of the problem, can be solved by the detection device 100. The detection device 100 can quickly detect the fault location of the refrigerator's electrical components and assist in analysis. cause of issue.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In addition, the technical solutions in various embodiments can be combined with each other, but it must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such combination of technical solutions is not effective. exists and is not within the protection scope required by the present invention.

By now, those skilled in the art will appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, various embodiments disclosed herein may still be practiced without departing from the spirit and scope of the present invention. The content directly identifies or leads to many other variations or modifications consistent with the principles of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A detection device for detecting refrigerators, including:

   Main control board connector, used to connect the main control board of the refrigerator under test;

   An input device used to transmit command signals to the main control board, so that the main control board generates corresponding control signals according to the command signals;

   A component simulator connected to the main control board connector and configured to obtain the control signal of the main control board and output a response signal corresponding to the control signal to use the response signal to verify the main control board functions.
2. The detection device according to claim 1, wherein the input device includes:

   Voice module, used to collect voice information;

   The Wi-Fi module is used to upload the voice information to the cloud for analysis, obtain the cloud analysis result, and obtain the corresponding instruction signal according to the analysis result.
3. The detection device according to claim 1, further comprising:

   An electrical component connector, one end of which is connected to the electrical component, and the other end is connected to the main control board connector;

   The electrical component is configured to obtain the control signal of the main control board and output a response signal corresponding to the control signal, so as to use the response signal to verify the function of the main control board.
4. The detection device according to claim 3, wherein the control signal includes controlling the component simulator and the electrical component to turn on and run in sequence, and to turn off after running for a first preset time.
5. The detection device according to claim 3, wherein the control signal further includes controlling the component simulator and the electrical component to start running at the same time, and to run for a second preset time and then turn off.
6. The detection device according to claim 3, wherein the control signal further includes controlling any of the component simulators or the electrical components to turn on and run, and then turn off after running for a third preset time.
7. The detection device according to claim 1, wherein the component simulator further includes:

   Indicator, outputs an indication signal corresponding to the response signal.
8. The detection device according to claim 1, further comprising:

   box body;

   The component simulator is disposed on any side of the box.
9. The detection device according to claim 8, wherein the box body includes:

   base plate;

   a plurality of side panels removably connected to the bottom panel;

   The top plate is provided corresponding to the bottom plate and is detachably connected to an end of the plurality of side plates away from the bottom plate.
10. The detection device according to claim 9, wherein,

    The main control board connector is disposed on the top surface of the top panel.